223545396 has 12 divisors (see below), whose sum is σ = 521605952. Its totient is φ = 74515128.

The previous prime is 223545389. The next prime is 223545401. The reversal of 223545396 is 693545322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314380 + ... + 9314403.

Almost surely, 2^223545396 is an apocalyptic number.

It is an amenable number.

223545396 is an abundant number, since it is smaller than the sum of its proper divisors (298060556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223545396 is a wasteful number, since it uses less digits than its factorization.

223545396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18628790 (or 18628788 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 223545396 is about 14951.4345799993. The cubic root of 223545396 is about 606.9066692530.

The spelling of 223545396 in words is "two hundred twenty-three million, five hundred forty-five thousand, three hundred ninety-six".